as it is written, “I have made you the father of many nations” – in the presence of the God in whom he believed, who gives life to the dead and calls into existene the things that do not exist.
“who gives life to the dead”
“[who] calls into existence the things that do not exist.”
In the spirit of imagery (I’m currently reading a book on the patterns and imagery throughout the texts of Scipture by Michael Bull – it’s fascinating and eye-opening!) Paul makes a parallel correlation between faith and creation. To move backwards, God gives life (faith) to the dead (hopeless unrighteous) just as He called into existence (create) that which did not exist on its own (creation). God creates ex nihilo, by His power alone with no help from the object.
The spirit of God, in hovering over the deep (Gen 1:2), did not answer a call from the abyss to act. In keeping with Paul’s parallel, it seems safe to assume the same of the dead man.